From ab89464e11981de72d43dde7eb986597d1a58f4a Mon Sep 17 00:00:00 2001
From: Bjarne von Horn <vh@igh.de>
Date: Thu, 26 Jun 2025 11:00:17 +0200
Subject: [PATCH] Fix uninitialized object usage in igc 6.12.

---
 devices/igc/igc_leds-6.12-ethercat.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/devices/igc/igc_leds-6.12-ethercat.c b/devices/igc/igc_leds-6.12-ethercat.c
index a8ef218c..3f398861 100644
--- a/devices/igc/igc_leds-6.12-ethercat.c
+++ b/devices/igc/igc_leds-6.12-ethercat.c
@@ -268,6 +268,11 @@ int igc_led_setup(struct igc_adapter *adapter)
 
 	mutex_init(&adapter->led_mutex);
 
+	if (get_ecdev(adapter)) {
+		adapter->leds = NULL;
+		return 0;
+	}
+
 	leds = kcalloc(IGC_NUM_LEDS, sizeof(*leds), GFP_KERNEL);
 	if (!leds)
 		return -ENOMEM;
@@ -295,6 +300,10 @@ void igc_led_free(struct igc_adapter *adapter)
 	struct igc_led_classdev *leds = adapter->leds;
 	int i;
 
+	if (get_ecdev(adapter)) {
+		return;
+	}
+
 	for (i = 0; i < IGC_NUM_LEDS; i++)
 		led_classdev_unregister(&((leds + i)->led));